CANCEL
Missions
Badges
ISS Visitor
This astronaut visited the International Space Station.
Crossed Kármán Line
This astronaut crossed the Kármán Line (100 km), the internationally accepted boundary of space.
Space Resident
This astronaut has spent over a month in space.
Crewmates
168
Margaret R. Seddon
3
MISSIONS
30.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
178
Shannon W. Lucid
5
MISSIONS
223.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
199
Jerry L. Ross
7
MISSIONS
58
DAYS IN SPACE
9
SPACEWALKS
2.4
DAYS SPACEWALKING
222
John E. Blaha
5
MISSIONS
161.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
250
Kenneth D. Cameron
3
MISSIONS
23.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
277
Brian Duffy
4
MISSIONS
40.7
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
304
Peter J. K. Wisoff
4
MISSIONS
44.3
DAYS IN SPACE
3
SPACEWALKS
0.8
DAYS SPACEWALKING
311
Richard A. Searfoss
3
MISSIONS
39.1
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
313
David A. Wolf
4
MISSIONS
168.4
DAYS IN SPACE
7
SPACEWALKS
1.7
DAYS SPACEWALKING
314
Martin J. Fettman
1
MISSIONS
14
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
320
James D. Halsell Jr.
5
MISSIONS
52.4
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
321
Leroy Chiao
4
MISSIONS
229.3
DAYS IN SPACE
6
SPACEWALKS
1.5
DAYS SPACEWALKING
344
Michael López-Alegría
6
MISSIONS
296.7
DAYS IN SPACE
10
SPACEWALKS
2.8
DAYS SPACEWALKING
347
Chris Hadfield
3
MISSIONS
166
DAYS IN SPACE
2
SPACEWALKS
0.6
DAYS SPACEWALKING
350
Koichi Wakata
5
MISSIONS
504.8
DAYS IN SPACE
2
SPACEWALKS
0.6
DAYS SPACEWALKING
398
Valeri Tokarev
2
MISSIONS
199.6
DAYS IN SPACE
2
SPACEWALKS
0.5
DAYS SPACEWALKING
407
Pamela A. Melroy
3
MISSIONS
38.8
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
449
Gregory H. Olsen
1
MISSIONS
9.9
DAYS IN SPACE
-
SPACEWALKS
-
DAYS SPACEWALKING
WIKIPEDIA EXCERPT
William Surles McArthur Jr. is a retired United States Army colonel and NASA astronaut and a veteran of three Space Shuttle missions and one expedition to the International Space Station via the Russian Soyuz capsule.